<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>一次性绑定one()</title>
</head>
<body>
	<input type="button" value="有些话对你说">
</body>
<script type="text/javascript" src="./Jquery-3.1.1.js"></script>
<script type="text/javascript">
	//为所有input绑定事件
	$('input').one('click',function(){
		alert('今晚操场见');
	});
</script>
</html>